Nile River

The Nile is a major north-flowing river in northeastern Africa. It flows into the Mediterranean Sea. The Nile is the longest river in Africa and has historically been considered the longest river in the world, though this has been contested by research suggesting that the Amazon River is slightly longer. Wikipedia
Sources: Blue Nile River, White Nile, Atbarah
Length: 6,650 km
Mouth: Mediterranean Sea
Countries: Egypt, Sudan
Basin size: 3,349,000 km2 (1,293,000 sq mi)
Major cities: Jinja, Juba, Khartoum, Cairo